>tr|Q57193|Q57193_VIBCL CtxB OS=Vibrio cholerae GN=ctxB
MIKLKFGVFFTVLLSSAYAHGTPQNITDLCAEYHNTQIHTLNDKIFSYTESLAGKREMAI
ITFKNGATFQVEVPGSQHIDSQKKAIERMKDTLRIAYLTEAKVEKLCVWNNKTPHAIAAI
SMAN